メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.204306842395 34.6973655057896, 135.204772912407 34.6975740152616, 135.204164498507 34.698624086239, 135.203838406788 34.6984934523019, 135.20368769881 34.6984336809521, 135.203353328476 34.6982940901135, 135.20300249359 34.6981456012437, 135.203179250267 34.6978265664228, 135.203189405552 34.6978111407333, 135.203249082989 34.6977201433875, 135.203262489647 34.6976975105629, 135.20341792481 34.6974190537916, 135.203610729796 34.6970775073138, 135.203835412069 34.697166047583, 135.204306842395 34.6973655057896)) ^^http://www.opengis.net/ont/geosparql#wktLiteral